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230 lines
8.4 KiB
C
230 lines
8.4 KiB
C
/* A set of utility functions that are common between elements
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* based upon GstAdaptiveDemux
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*
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* Copyright (c) <2015> YouView TV Ltd
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#ifndef __GST_ADAPTIVE_DEMUX_COMMON_TEST_H__
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#define __GST_ADAPTIVE_DEMUX_COMMON_TEST_H__
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#include <gst/gst.h>
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#include "adaptive_demux_engine.h"
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G_BEGIN_DECLS
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#define GST_TYPE_ADAPTIVE_DEMUX_TEST_CASE \
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(gst_adaptive_demux_test_case_get_type())
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#define GST_ADAPTIVE_DEMUX_TEST_CASE(obj) \
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(G_TYPE_CHECK_INSTANCE_CAST((obj), GST_TYPE_ADAPTIVE_DEMUX_TEST_CASE, GstAdaptiveDemuxTestCase))
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#define GST_ADAPTIVE_DEMUX_TEST_CASE_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_CAST((klass), GST_TYPE_ADAPTIVE_DEMUX_TEST_CASE, GstAdaptiveDemuxTestCaseClass))
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#define GST_ADAPTIVE_DEMUX_TEST_CASE_GET_CLASS(obj) \
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(G_TYPE_INSTANCE_GET_CLASS ((obj), GST_TYPE_ADAPTIVE_DEMUX_TEST_CASE, GstAdaptiveDemuxTestCaseClass))
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#define GST_IS_ADAPTIVE_DEMUX_TEST_CASE(obj) \
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(G_TYPE_CHECK_INSTANCE_TYPE((obj), GST_TYPE_ADAPTIVE_DEMUX_TEST_CASE))
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#define GST_IS_ADAPTIVE_DEMUX_TEST_CASE_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_TYPE((klass), GST_TYPE_ADAPTIVE_DEMUX_TEST_CASE))
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/**
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* TestTaskState:
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* The seek test uses a separate task to perform the seek operation.
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* After starting the task, the caller blocks until the seek task
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* flushes the AppSink and changes the GstFakeSoupHTTPSrc element state from
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* PLAYING to PAUSED.
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* When that event is detected, the caller is allowed to resume.
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* Any data that will be sent to AppSink after resume will be rejected because
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* AppSink is in flushing mode.
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*/
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typedef enum
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{
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TEST_TASK_STATE_NOT_STARTED,
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TEST_TASK_STATE_WAITING_FOR_TESTSRC_STATE_CHANGE,
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TEST_TASK_STATE_EXITING,
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} TestTaskState;
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/**
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* GstAdaptiveDemuxTestExpectedOutput:
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* Structure used to store output stream related data.
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* It is used by the test during output validation.
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* The fields are set by the testcase function prior
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* to starting the test.
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*/
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typedef struct _GstAdaptiveDemuxTestExpectedOutput
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{
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/* the name of the demux src pad generating this stream */
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const char *name;
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/* the expected size on this stream */
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guint64 expected_size;
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/* the expected data on this stream (optional) */
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const guint8* expected_data;
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GstSegment post_seek_segment;
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gboolean segment_verification_needed;
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} GstAdaptiveDemuxTestExpectedOutput;
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typedef struct _GstAdaptiveDemuxTestCaseClass
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{
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GObjectClass parent_class;
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} GstAdaptiveDemuxTestCaseClass;
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typedef struct _GstAdaptiveDemuxTestCase
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{
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GObject parent;
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/* output data used to validate the test
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* list of GstAdaptiveDemuxTestExpectedOutput, one entry per stream
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*/
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GList *output_streams; /*GList<GstAdaptiveDemuxTestExpectedOutput>*/
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/* the number of streams that finished.
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* Main thread will stop the pipeline when all streams are finished
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* (i.e. count_of_finished_streams == g_list_length(output_streams) )
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*/
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guint count_of_finished_streams;
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/* taskTesk... is a set of variables that can be used by a test
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* that needs to perform operations from another thread
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* For example, it is used by the seek test to perform the seek
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* operation
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*/
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GstTask *test_task;
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GRecMutex test_task_lock;
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TestTaskState test_task_state;
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GMutex test_task_state_lock;
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GCond test_task_state_cond;
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/* seek test will wait for this amount of bytes to be sent by
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* demux to AppSink before triggering a seek request
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*/
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guint64 threshold_for_seek;
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GstEvent *seek_event;
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gboolean seeked;
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gpointer signal_context;
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} GstAdaptiveDemuxTestCase;
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/* high-level unit test functions */
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/**
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* gst_adaptive_demux_test_setup:
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* Causes the test HTTP src element to be registered
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*/
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void gst_adaptive_demux_test_setup (void);
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void gst_adaptive_demux_test_teardown (void);
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GType gst_adaptive_demux_test_case_get_type (void);
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/**
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* gst_adaptive_demux_test_case_new: creates new #GstAdaptiveDemuxTestCase
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* object. Use #g_object_unref to free.
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*/
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GstAdaptiveDemuxTestCase * gst_adaptive_demux_test_case_new (void) G_GNUC_MALLOC;
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/**
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* gst_adaptive_demux_test_seek: test that element supports seeking
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* @element_name: The name of the demux element (e.g. "dashdemux")
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* @manifest_uri: The URI of the manifest to load
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* @testData: The #GstAdaptiveDemuxTestCase that the test expects the
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* demux element to produce.
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*
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* Creates a pipeline and starts it. Once data is flowing, request a
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* seek to almost the start of the stream.
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*/
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void gst_adaptive_demux_test_seek (const gchar * element_name,
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const gchar * manifest_uri,
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GstAdaptiveDemuxTestCase *testData);
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/* Utility functions for use within a unit test */
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/**
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* gst_adaptive_demux_test_unexpected_eos:
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* @engine: The #GstAdaptiveDemuxTestEngine that caused this callback
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* @stream: The #GstAdaptiveDemuxTestOutputStream that caused this callback
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* @user_data: A pointer to a #GstAdaptiveDemuxTestCase object
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*
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* This function can be used as an EOS callback by tests that don't expect
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* AppSink to receive EOS.
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*/
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void
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gst_adaptive_demux_test_unexpected_eos (GstAdaptiveDemuxTestEngine *
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engine, GstAdaptiveDemuxTestOutputStream * stream, gpointer user_data);
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/**
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* gst_adaptive_demux_test_check_size_of_received_data:
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* @engine: The #GstAdaptiveDemuxTestEngine that caused this callback
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* @stream: The #GstAdaptiveDemuxTestOutputStream that caused this callback
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* @user_data: A pointer to a #GstAdaptiveDemuxTestCase object
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*
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* This function can be used as an EOS callback to check that the
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* size of received data equals expected_size. It should be used with
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* a test that expects the entire file to be downloaded.
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*/
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void gst_adaptive_demux_test_check_size_of_received_data(
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GstAdaptiveDemuxTestEngine *engine,
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GstAdaptiveDemuxTestOutputStream * stream, gpointer user_data);
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/**
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* gst_adaptive_demux_test_download_error_size_of_received_data:
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* @engine: The #GstAdaptiveDemuxTestEngine that caused this callback
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* @stream: The #GstAdaptiveDemuxTestOutputStream that caused this callback
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* @user_data: A pointer to a #GstAdaptiveDemuxTestCase object
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*
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* This function can be used as an EOS callback to check that the
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* size of received data is >0 && <expected_size. It should be used with
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* a test that does not expect the entire file to be downloaded.
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*/
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void gst_adaptive_demux_test_download_error_size_of_received_data (
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GstAdaptiveDemuxTestEngine *engine,
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GstAdaptiveDemuxTestOutputStream * stream, gpointer user_data);
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/**
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* gst_adaptive_demux_test_check_received_data:
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* @engine: The #GstAdaptiveDemuxTestEngine that caused this callback
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* @stream: The #GstAdaptiveDemuxTestOutputStream that caused this callback
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* @buffer: The #GstBuffer containing the data to check
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* @user_data: A pointer to a #GstAdaptiveDemuxTestCase object
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* Returns: TRUE if buffer contains the expected data.
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*
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* This function can be used as an appSinkGotData callback, to check
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* that the contents of the received data matches the expected data
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*/
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gboolean gst_adaptive_demux_test_check_received_data (
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GstAdaptiveDemuxTestEngine *engine,
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GstAdaptiveDemuxTestOutputStream * stream,
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GstBuffer * buffer,
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gpointer user_data);
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/**
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* gst_adaptive_demux_test_find_test_data_by_stream:
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* @testData: The #GstAdaptiveDemuxTestCase object that contains the
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* output_streams list to search
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* @stream: the #GstAdaptiveDemuxTestOutputStream to search for
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* @index: (out) (allow none) the index of the entry in output_streams
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* Returns: The #GstAdaptiveDemuxTestExpectedOutput that matches @stream, or
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* %NULL if not found
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*
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* Search the list of output test data for the entry that matches stream.
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*/
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GstAdaptiveDemuxTestExpectedOutput * gst_adaptive_demux_test_find_test_data_by_stream (
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GstAdaptiveDemuxTestCase * testData,
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GstAdaptiveDemuxTestOutputStream * stream,
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guint * index);
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G_END_DECLS
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#endif /* __GST_ADAPTIVE_DEMUX_COMMON_TEST_H__ */
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